di-Natriumtetraborat Decahydrat 99,0-103,0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytisches Reagens

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27727.460EA 1380 EUR
27727.460 27727.297 27727.231
di-Natriumtetraborat Decahydrat 99,0-103,0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytisches Reagens
di-Natriumtetraborat Decahydrat
Formel: Na₂B₄O₇·10H₂O
Molecular Weight: 381,37 g/mol
Siedepunkt: 320 °C (1013 hPa)
Schmelzpunkt: 75 °C
Dichte: 1,73 g/cm³ (20 °C)
Lagertemperatur: Raumtemperatur
MDL: MFCD00149193
CAS-Nummer: 1303-96-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 13,08662

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Spezifikation Testergebnisse

Assay 99.0 - 103.0 %
Appearance of solution Passes test Ph.Eur.
CO3 (Carbonate) Passes test
Identification A Passes test Ph.Eur.
Identification B Passes test Ph.Eur.
Identification C Passes test Ph.Eur.
pH (20°C; 4 %) 9.0 - 9.6
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Cl (Chloride) Max. 5 ppm
NH4 (Ammonium) Max. 10 ppm
PO4 (Phosphate) Max. 10 ppm
SO4 (Sulphate) Max. 20 ppm
As (Arsenic) Max. 2 ppm
Ca (Calcium) Max. 100 ppm
Fe (Iron) Max. 5 ppm
Conforms to Reag. Ph.Eur. Passes test

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